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    1. 05-30-2009 #1
      45467
      45467 is offline Registered User
      Join Date
      Oct 2004
      Location
      Sudbury,Ontario,Canada
      Posts
      13

      4L80E torque lockup problem

      I have a 4L80E with a GM Performance controller. The combination works really well exept for the lockup converter it locks at around 70mph even though I set it up to lock after 50 mph in the controller. Anyone familiar with this controller, how do I fix this?

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